Question 14201 – GATE 2021 CS-Set-1
November 20, 2023
Question 7130 – NVS PGT CS 2019 Part-A
November 20, 2023
Question 14201 – GATE 2021 CS-Set-1
November 20, 2023
Question 7130 – NVS PGT CS 2019 Part-A
November 20, 2023

Question 9982 – Process-Synchronization

A counting semaphore was initialized to 10. Then 6P (wait) operations and 4V (signal) operations were completed on this semaphore. The resulting value of the semaphore is

Correct Answer: B

Question 6 Explanation: 
Let the semaphore be S which is initially 10.
S = 10
Now 6P operations and uv operations were completed on this semaphore. So final value of S will be
S = 10 – 6 + 4 = 8
A
0
B
8
C
10
D
12
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